Theodora Doukaina Selvo

Theodora Doukaina Selvo (1058-1083), also known as Teodora Selvo, was a princess of the Byzantine Empire. A member of the House of Doukas and the daughter of Constantine X of Byzantium, Theodora married into the House of Selvo, marrying Duke Domenico Selvo.

Biography
Theodora Doukaina was born in 1058 to the House of Doukas, a Greek dynasty that ruled the Byzantine Empire. She was the daughter of Constantine X of Byzantium, and in 1075 she was married to Doge Domenico Selvo of the Republic of Venice at the age of 17. She died of a degenerative illness in 1083, which some Venetians saw as punishment for her lavish lifestyle.